OSG Spiral Flute Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (5/16"-24 UNF) is a general-purpose spiral-flute tap with a modified bottoming chamfer, 3 flutes, and H2 / 2B-3B tolerance class (MPN 2926400). 3G Electric interprets your demand for this OEM…
SKU 3G-OTH-230681
Need installation or engineering help?
Ask a question
Product Description
The OSG Spiral Flute Tap (5/16"-24 UNF) is a general-purpose spiral-flute tap with a modified bottoming chamfer, 3 flutes, and H2 / 2B-3B tolerance class (MPN 2926400). 3G Electric interprets your demand for this OEM threading tool, sources it across 14 industrial departments, and supports with specialist depth in combustion, pumps, and controls.
Frequently Asked Questions
What is the OSG spiral flute tap 5/16-24 UNF used for?
This OSG spiral flute tap is designed for threading blind holes in materials such as steel and stainless steel. Its modified bottoming chamfer allows threading close to the bottom of the hole, while the spiral flute design evacuates chips upward, preventing clogging.
What are the specifications of the OSG 2926400 tap?
The OSG 2926400 is a 5/16-24 UNF spiral flute tap with a H2 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is a general-purpose tap suitable for producing threads in blind holes, with the H2 limit ensuring precise fit for class 2B or 3B threads.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps like the 2926400 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this spiral flute tap for your threading application.
How to select the right OSG tap for blind holes?
For blind holes, choose a spiral flute tap like this OSG 5/16-24 UNF model. The spiral design pushes chips out of the hole, preventing breakage. Ensure the chamfer type (modified bottoming) matches your thread depth requirement, and verify the H limit (H2) for your desired thread class.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.












